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2016-07-18s390/cio/chp : Remove deprecated create_singlethread_workqueueBhaktipriya Shridhar
The workqueue "chp_wq" is involved in performing pending configure tasks for channel paths. It has a single work item(&cfg_work) and hence doesn't require ordering. Also, it is not being used on a memory reclaim path. Hence, the singlethreaded workqueue has been replaced with the use of system_wq. System workqueues have been able to handle high level of concurrency for a long time now and hence it's not required to have a singlethreaded workqueue just to gain concurrency. Unlike a dedicated per-cpu workqueue created with create_singlethread_workqueue(), system_wq allows multiple work items to overlap executions even on the same CPU; however, a per-cpu workqueue doesn't have any CPU locality or global ordering guarantee unless the target CPU is explicitly specified and thus the increase of local concurrency shouldn't make any difference. Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2016-07-18Bluetooth: btmrvl: reset is_suspending flag in failure pathAmitkumar Karwar
is_suspending flag remains on when host sleep fails to enable. Data path is unnecessarily blocked after this. This patch ensures to reset the flag in failure path. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-07-18leds: LED driver for TI LP3952 6-Channel Color LEDTony Makkiel
The chip can drive 2 sets of RGB leds. Controller can be controlled via PWM, I2C and audio synchronisation. This driver uses I2C to communicate with the chip. Datasheet: http://www.ti.com/lit/gpn/lp3952 Signed-off-by: Tony Makkiel <tony.makkiel@daqri.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
2016-07-18Bluetooth: bpa10x: Add support for hci_set_fw_infoMarcel Holtmann
The Digianswer sniffer devices allow for reading a firmware specific information string. If it is available, then inform the Bluetooth core about it via hci_set_fw_info. That exposes it via debugfs like this: # cat /sys/kernel/debug/bluetooth/hci0/firmware_info SNIF_102,BB930,02/01/18,10:37:56 Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-07-18Bluetooth: Add debugfs fields for hardware and firmware infoMarcel Holtmann
Some Bluetooth controllers allow for reading hardware and firmware related vendor specific infos. If they are available, then they can be exposed via debugfs now. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-07-18Bluetooth: Move hci_recv_frame and hci_recv_diag prototypesMarcel Holtmann
The protoypes for hci_recv_frame and hci_recv_diag are in the wrong location in the header file. Move them close to all the other hci_dev related exported functions. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2016-07-17net: ethernet: marvell: pxa168_eth: use phy_ethtool_{get|set}_link_ksettingsPhilippe Reynes
There are two generics functions phy_ethtool_{get|set}_link_ksettings, so we can use them instead of defining the same code in the driver. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-17net: ethernet: marvell: pxa168_eth: use phydev from struct net_devicePhilippe Reynes
The private structure contain a pointer to phydev, but the structure net_device already contain such pointer. So we can remove the pointer phydev in the private structure, and update the driver to use the one contained in struct net_device. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-17net: ethernet: adi: bfin_mac: use phy_ethtool_{get|set}_link_ksettingsPhilippe Reynes
There are two generics functions phy_ethtool_{get|set}_link_ksettings, so we can use them instead of defining the same code in the driver. There was a check on CAP_NET_ADMIN in bfin_mac_ethtool_setsettings, but this check is already done in dev_ethtool, so no need to repeat it before calling the generic function. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-17net: ethernet: adi: bfin_mac: use phydev from struct net_devicePhilippe Reynes
The private structure contain a pointer to phydev, but the structure net_device already contain such pointer. So we can remove the pointer phydev in the private structure, and update the driver to use the one contained in struct net_device. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-17dwc_eth_qos: Remove deprecated create_singlethread_workqueueBhaktipriya Shridhar
alloc_workqueue replaces deprecated create_singlethread_workqueue(). A dedicated workqueue has been used since the workitem viz lp->txtimeout_reinit is involved in reinitialization if a TX timeout occurs, which is necessary to guarantee forward progress in packet processing. As a network device can be used during memory reclaim, the workqueue needs forward progress guarantee under memory pressure. WQ_MEM_RECLAIM has been set to ensure this. Since there is only a single work item, explicit concurrency limit is unnecessary here. Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-17kernel-doc: Fix up warning outputDaniel Vetter
While trying to make gpu docs warning free I stumbled over one output which wasn't following proper compiler error output standards. Fix it up for more quickfix awesomeness. Cc: Jonathan Corbet <corbet@lwn.net> Cc: Jani Nikula <jani.nikula@intel.com> Cc: linux-doc@vger.kernel.org Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-07-18KEYS: Fix for erroneous trust of incorrectly signed X.509 certsMat Martineau
Arbitrary X.509 certificates without authority key identifiers (AKIs) can be added to "trusted" keyrings, including IMA or EVM certs loaded from the filesystem. Signature verification is currently bypassed for certs without AKIs. Trusted keys were recently refactored, and this bug is not present in 4.6. restrict_link_by_signature should return -ENOKEY (no matching parent certificate found) if the certificate being evaluated has no AKIs, instead of bypassing signature checks and returning 0 (new certificate accepted). Reported-by: Petko Manolov <petkan@mip-labs.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
2016-07-18pefile: Fix the failure of calculation for digestLans Zhang
Commit e68503bd68 forgot to set digest_len and thus cause the following error reported by kexec when launching a crash kernel: kexec_file_load failed: Bad message Fixes: e68503bd68 (KEYS: Generalise system_verify_data() to provide access to internal content) Signed-off-by: Lans Zhang <jia.zhang@windriver.com> Tested-by: Dave Young <dyoung@redhat.com> Signed-off-by: David Howells <dhowells@redhat.com> Cc: Baoquan He <bhe@redhat.com> Cc: Vivek Goyal <vgoyal@redhat.com> cc: kexec@lists.infradead.org cc: linux-crypto@vger.kernel.org Signed-off-by: James Morris <james.l.morris@oracle.com>
2016-07-18PKCS#7: Fix panic when referring to the empty AKID when DEBUG definedLans Zhang
This fix resolves the following kernel panic if an empty or missing AuthorityKeyIdentifier is encountered and DEBUG is defined in pkcs7_verify.c. [ 459.041989] PKEY: <==public_key_verify_signature() = 0 [ 459.041993] PKCS7: Verified signature 1 [ 459.041995] PKCS7: ==> pkcs7_verify_sig_chain() [ 459.041999] PKCS7: verify Sample DB Certificate for SCP: 01 [ 459.042002] PKCS7: - issuer Sample KEK Certificate for SCP [ 459.042014] BUG: unable to handle kernel NULL pointer dereference at (null) [ 459.042135] IP: [<ffffffff813e7b4c>] pkcs7_verify+0x72c/0x7f0 [ 459.042217] PGD 739e6067 PUD 77719067 PMD 0 [ 459.042286] Oops: 0000 [#1] PREEMPT SMP [ 459.042328] Modules linked in: [ 459.042368] CPU: 0 PID: 474 Comm: kexec Not tainted 4.7.0-rc7-WR8.0.0.0_standard+ #18 [ 459.042462] Hardware name: To be filled by O.E.M. To be filled by O.E.M./Aptio CRB, BIOS 5.6.5 10/09/2014 [ 459.042586] task: ffff880073a50000 ti: ffff8800738e8000 task.ti: ffff8800738e8000 [ 459.042675] RIP: 0010:[<ffffffff813e7b4c>] [<ffffffff813e7b4c>] pkcs7_verify+0x72c/0x7f0 [ 459.042784] RSP: 0018:ffff8800738ebd58 EFLAGS: 00010246 [ 459.042845] RAX: 0000000000000000 RBX: ffff880076b7da80 RCX: 0000000000000006 [ 459.042929] RDX: 0000000000000001 RSI: ffffffff81c85001 RDI: ffffffff81ca00a9 [ 459.043014] RBP: ffff8800738ebd98 R08: 0000000000000400 R09: ffff8800788a304c [ 459.043098] R10: 0000000000000000 R11: 00000000000060ca R12: ffff8800769a2bc0 [ 459.043182] R13: ffff880077358300 R14: 0000000000000000 R15: ffff8800769a2dc0 [ 459.043268] FS: 00007f24cc741700(0000) GS:ffff880074e00000(0000) knlGS:0000000000000000 [ 459.043365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 459.043431] CR2: 0000000000000000 CR3: 0000000073a36000 CR4: 00000000001006f0 [ 459.043514] Stack: [ 459.043530] 0000000000000000 ffffffbf00000020 31ffffff813e68b0 0000000000000002 [ 459.043644] ffff8800769a2bc0 0000000000000000 00000000007197b8 0000000000000002 [ 459.043756] ffff8800738ebdd8 ffffffff81153fb1 0000000000000000 0000000000000000 [ 459.043869] Call Trace: [ 459.043898] [<ffffffff81153fb1>] verify_pkcs7_signature+0x61/0x140 [ 459.043974] [<ffffffff813e7f0b>] verify_pefile_signature+0x2cb/0x830 [ 459.044052] [<ffffffff813e8470>] ? verify_pefile_signature+0x830/0x830 [ 459.044134] [<ffffffff81048e25>] bzImage64_verify_sig+0x15/0x20 [ 459.046332] [<ffffffff81046e09>] arch_kexec_kernel_verify_sig+0x29/0x40 [ 459.048552] [<ffffffff810f10e4>] SyS_kexec_file_load+0x1f4/0x6c0 [ 459.050768] [<ffffffff81050e36>] ? __do_page_fault+0x1b6/0x550 [ 459.052996] [<ffffffff8199241f>] entry_SYSCALL_64_fastpath+0x17/0x93 [ 459.055242] Code: e8 0a d6 ff ff 85 c0 0f 88 7a fb ff ff 4d 39 fd 4d 89 7d 08 74 45 4d 89 fd e9 14 fe ff ff 4d 8b 76 08 31 c0 48 c7 c7 a9 00 ca 81 <41> 0f b7 36 49 8d 56 02 e8 d0 91 d6 ff 4d 8b 3c 24 4d 85 ff 0f [ 459.060535] RIP [<ffffffff813e7b4c>] pkcs7_verify+0x72c/0x7f0 [ 459.063040] RSP <ffff8800738ebd58> [ 459.065456] CR2: 0000000000000000 [ 459.075998] ---[ end trace c15f0e897cda28dc ]--- Signed-off-by: Lans Zhang <jia.zhang@windriver.com> Signed-off-by: David Howells <dhowells@redhat.com> Cc: Dave Young <dyoung@redhat.com> Cc: Baoquan He <bhe@redhat.com> Cc: Vivek Goyal <vgoyal@redhat.com> cc: linux-crypto@vger.kernel.org cc: kexec@lists.infradead.org Signed-off-by: James Morris <james.l.morris@oracle.com>
2016-07-17[media] v4l-with-ir.rst: update it to reflect the current statusMauro Carvalho Chehab
This document were really old. Update it to reflect the current status of the IR drivers for TV. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation about IR on V4L boardsMauro Carvalho Chehab
This section is outdated, but let's add it, after converting to ReST, and then fix it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add vivid documentationMauro Carvalho Chehab
Convert it to ReST and add to media/v4l-drivers book. As the sections here (and on other docs) are numbered, let's also make this book auto-numbered. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for Zoran driverMauro Carvalho Chehab
Convert it to ReST and add to media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for uvcvideoMauro Carvalho Chehab
Convert it to ReST and add to media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add soc-camera documentationMauro Carvalho Chehab
Convert it to ReST format and add it at media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for si476xMauro Carvalho Chehab
Convert it to ReST and add to media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for si4713Mauro Carvalho Chehab
Convert it to ReST and add it to the media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for si470xMauro Carvalho Chehab
Convert it to ReST and add to media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add sh_mobile_ceu_camera crop documentationMauro Carvalho Chehab
Convert it to ReST and add it to media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for saa7134Mauro Carvalho Chehab
Convert it to ReST and add to the media/v4l-device book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for radiotrackMauro Carvalho Chehab
Convert it to ReST and add it to the media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add pxa_camera documentationMauro Carvalho Chehab
Convert pxa_camera to ReST format and add it to the media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for pvrusb2Mauro Carvalho Chehab
Convert pvrusb2 documentation to ReST file and removed the note about an html version of the documentation, as it is not shipped inside the Kernel. Add it to media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add omap4_camera documentationMauro Carvalho Chehab
Convert the omap4_camera documentation to ReST and add it to the media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add omap3isp documentationMauro Carvalho Chehab
Convert omap3isp documentation to ReST and add it to the media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add meye documentationMauro Carvalho Chehab
Convert the meye documentation to rst and add it to the media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: Add ivtv documentationMauro Carvalho Chehab
Convert ivtv documentation to rst, update the links there and add to media/v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for fimc driverMauro Carvalho Chehab
Convert the document to rst and add it to the v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add davinci-vpbe documentationMauro Carvalho Chehab
Convert it to rst format and add it to the v4l-drivers book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] cx88.rst: Update the documentationMauro Carvalho Chehab
This doc is outdated, and contains information that it is not true anymore. Update it to reflect the changes that this driver suffered since I started working on it. While here, also update Gerd's name. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: Add cx88 documentation to media bookMauro Carvalho Chehab
Convert the cx88 documentation to rst and add it to the v4l-devices book Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add documentation for cpia2 driverMauro Carvalho Chehab
Convert the documentation to rst, merge the two files and add to the index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add Zoran zr364xx documentationMauro Carvalho Chehab
Convert the documentation to rst and add it to the book. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: add gspca cardlistMauro Carvalho Chehab
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: convert cafe_ccic file to rst formatMauro Carvalho Chehab
This file is almost ok, but it needs chapter/sections and a code-block. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: convert fourcc to rst formatMauro Carvalho Chehab
Fix fourcc for it to be correcly parsed by Sphinx. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: Move v4l docs to media/v4l-driversMauro Carvalho Chehab
Move V4L documentation files to media/v4l-drivers. Those aren't core stuff, so they don't fit at the kAPI document. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17docs: Get rid of some kernel-documentation warningsJonathan Corbet
Sphinx wants to interpret all literal blocks as being in the chosen language and complains when an attempt to parse a block fails. kernel-documentation.rst has a few blocks that are not in C; make that explicit to shut down the associated warnings. Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2016-07-17doc-rst: add v4l-drivers to index fileMauro Carvalho Chehab
Adds documentation for V4L drivers. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: Convert videobuf documentation to ReSTMauro Carvalho Chehab
The videobuf documentation is almost at rst format: we just needed to add titles and add some code-blocks there and that's it. Also, add a notice that this framework is deprecated. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: move videobuf documentation to media/kapiMauro Carvalho Chehab
This document describes a kapi framework. Move it to the right place. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: do a poor man's conversion of v4l2-frameworkMauro Carvalho Chehab
Make Sphinx happy with v4l2-framework.rst by putting all C code inside code-block. Please note that this is a poor man ReST conversion, as several of those blocks should actually be converted to use :cpp:func:, pointing to the kAPI auto-generated documentation. The problem is that we currently lack kernel-doc documentation for most of the stuff described there. So, let's do a poor man's conversion. We should later address this. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: move framework docs to kAPI documentationMauro Carvalho Chehab
Those documentation are part of the kAPI one. Move to the right place. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-17[media] doc-rst: Remove deprecated API.html documentMauro Carvalho Chehab
This document points to some old stuff. Just remove it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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